Hoddesdon is a town in the Borough of Broxbourne, Hertfordshire, lying entirely within the London Metropolitan Area and Greater London Urban Area. The area is on the River Lea and the Lee Navigation along with the New River.

The Borough of Broxbourne is a local government district with borough status in Hertfordshire, England. Its council is based in Cheshunt. Other settlements in the borough include Broxbourne, Hoddesdon and Waltham Cross. The eastern boundary of the district is the River Lea. The borough covers 20 square miles (52 km2) in south east Hertfordshire, and had an estimated population of 99,000 in 2021.